Dell Inspiron 14R (5421, Early 2013) - Manual (Page 3)

Memory
Type:
Inspiron 3421/5421 Dual-channel DDR3
Inspiron 3437/5437 Dual-channel DDR3L
Speed Up to 1600 MHz
Configurations supported 2 GB, 4 GB, 6 GB, and 8 GB
Ports and Connectors
Audio One headphone/microphone combo (headset)
port
HDMI One HDMI port
Network adapter One RJ45 port
USB • One USB 2.0 port
(supports Windows debugging)
• Two USB 3.0 ports
Mini-card (internal) One half-size mini-card slot for
Wi-Fi+BT combo
Communications
Network adapter 10/100 Ethernet LAN on system board
Wireless • Wi-Fi b/g/n
• Wi-Di (optional)
• Bluetooth 4.0
Video
Inspiron 3421/5421 Inspiron 3437/5437
Controller:
Integrated • Intel HD graphics 3000
• Intel HD graphics 4000 Intel HD graphics
4200/4400/5100 series
Discrete • NVIDIA GeForce GT625M
• NVIDIA GeForce GT640M • NVIDIA GeForce GT720M
• NVIDIA GeForce GT740M
• NVIDIA GeForce GT750M
Memory:
Integrated System shared memory
Discrete Up to 2 GB